Assume that /proc/meminfo can be missing

[elogind.git] / src / shared / hashmap.c

diff --git a/src/shared/hashmap.c b/src/shared/hashmap.c
index ef78070f4c0854cd767e7a2803317fccb51b7691..4ea1a0f4cb9d010dcbda92b3aa09c65de4af74ea 100644 (file)
--- a/src/shared/hashmap.c
+++ b/src/shared/hashmap.c
@@ -103,7 +103,7 @@ static void deallocate_tile(void **first_tile, void *p) {
         *first_tile = p;
 }
 
-#ifndef __OPTIMIZE__
+#ifdef VALGRIND
 
 static void drop_pool(struct pool *p) {
         while (p) {
@@ -147,6 +147,25 @@ int trivial_compare_func(const void *a, const void *b) {
         return a < b ? -1 : (a > b ? 1 : 0);
 }
 
+unsigned uint64_hash_func(const void *p) {
+        uint64_t u;
+
+        assert_cc(sizeof(uint64_t) == 2*sizeof(unsigned));
+
+        u = *(const uint64_t*) p;
+
+        return (unsigned) ((u >> 32) ^ u);
+}
+
+int uint64_compare_func(const void *_a, const void *_b) {
+        uint64_t a, b;
+
+        a = *(const uint64_t*) _a;
+        b = *(const uint64_t*) _b;
+
+        return a < b ? -1 : (a > b ? 1 : 0);
+}
+
 Hashmap *hashmap_new(hash_func_t hash_func, compare_func_t compare_func) {
         bool b;
         Hashmap *h;
@@ -290,6 +309,17 @@ void hashmap_free_free(Hashmap *h) {
         hashmap_free(h);
 }
 
+void hashmap_free_free_free(Hashmap *h) {
+
+        /* Free the hashmap and all data and key objects in it */
+
+        if (!h)
+                return;
+
+        hashmap_clear_free_free(h);
+        hashmap_free(h);
+}
+
 void hashmap_clear(Hashmap *h) {
         if (!h)
                 return;
@@ -308,6 +338,22 @@ void hashmap_clear_free(Hashmap *h) {
                 free(p);
 }
 
+void hashmap_clear_free_free(Hashmap *h) {
+        if (!h)
+                return;
+
+        while (h->iterate_list_head) {
+                void *a, *b;
+
+                a = h->iterate_list_head->value;
+                b = (void*) h->iterate_list_head->key;
+                remove_entry(h, h->iterate_list_head);
+                free(a);
+                free(b);
+        }
+}
+
+
 static struct hashmap_entry *hash_scan(Hashmap *h, unsigned hash, const void *key) {
         struct hashmap_entry *e;
         assert(h);
@@ -327,13 +373,10 @@ int hashmap_put(Hashmap *h, const void *key, void *value) {
         assert(h);
 
         hash = h->hash_func(key) % NBUCKETS;
-
         e = hash_scan(h, hash, key);
         if (e) {
-
                 if (e->value == value)
                         return 0;
-
                 return -EEXIST;
         }
 
@@ -488,7 +531,6 @@ int hashmap_remove_and_replace(Hashmap *h, const void *old_key, const void *new_
                 return -ENOENT;
 
         new_hash = h->hash_func(new_key) % NBUCKETS;
-
         if ((k = hash_scan(h, new_hash, new_key)))
                 if (e != k)
                         remove_entry(h, k);